/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: #1a1a1a;
    overflow-x: hidden;
    background: #ffffff;
}

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-blue: #667eea;
    --primary-purple: #764ba2;
    --secondary-gradient: linear-gradient(135deg, #2563eb, #3b82f6);
    --cta-gradient: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
}

::selection {
    background: rgba(37, 99, 235, 0.2);
    color: #1a1a1a;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo h2 {
    color: var(--primary-blue);
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: #4b5563;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 0;
}

.nav-menu a:not(.nav-btn):hover {
    color: #2563eb;
}

.nav-menu a:not(.nav-btn):after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width 0.3s ease;
}

.nav-menu a:not(.nav-btn):hover:after {
    width: 100%;
}

.nav-btn {
    background: var(--primary-gradient);
    color: white !important;
    padding: 10px 24px;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #5d6fd8, #6a45a0);
}

/* 二级菜单样式 */
.nav-dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.dropdown-toggle::after {
    content: '▼';
    font-size: 0.7rem;
    transition: transform 0.3s ease;
}

.nav-dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    min-width: 200px;
    z-index: 1000;
    padding: 0.5rem 0;
    margin-top: 0.5rem;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: #4b5563;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
    text-decoration: none;
}

.dropdown-menu a:hover {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-blue);
    border-left-color: var(--primary-blue);
}

.dropdown-menu a.active {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-blue);
    border-left-color: var(--primary-blue);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    background: transparent;
    transition: background 0.3s;
}

.nav-toggle:hover {
    background: rgba(37, 99, 235, 0.1);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: #4b5563;
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* 首页Banner样式 */
.hero {
    background: var(--primary-gradient);
    color: white;
    padding: 180px 0 120px;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    background: linear-gradient(135deg, #ffffff, #f0f4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    line-height: 1.6;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 4rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.btn-primary {
    background: #ffffff;
    color: #2563eb;
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
    border: 2px solid transparent;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 255, 255, 0.3);
    background: #f8fafc;
}

.btn-secondary {
    background: transparent;
    color: white;
    padding: 14px 32px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 3rem;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.stat-item {
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #ffffff, #e0e7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item p {
    font-size: 0.95rem;
    opacity: 0.8;
    font-weight: 500;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: float 6s ease-in-out infinite;
}

/* AI智能体卡通机器人样式 */
.ai-robot {
    position: relative;
    width: 280px;
    height: 380px;
    animation: float 6s ease-in-out infinite;
}

.robot-head {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 120px;
    background: rgba(255,255,255,0.95);
    border-radius: 50% 50% 40% 40%;
    border: 3px solid rgba(102, 126, 234, 0.8);
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.3);
    z-index: 2;
}

.robot-eyes {
    position: absolute;
    top: 35px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
}

.eye {
    width: 20px;
    height: 20px;
    background: var(--primary-gradient);
    border-radius: 50%;
    animation: blink 4s infinite;
}

.eye.left {
    animation-delay: 0.5s;
}

.eye.right {
    animation-delay: 0.7s;
}

.robot-mouth {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 6px;
    background: var(--primary-blue);
    border-radius: 3px;
    animation: talk 3s ease-in-out infinite;
}

.robot-body {
    position: absolute;
    top: 110px;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 200px;
    background: rgba(255,255,255,0.9);
    border-radius: 20px;
    border: 3px solid rgba(102, 126, 234, 0.6);
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.2);
}

.robot-screen {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
}

.robot-arms {
    position: absolute;
    top: 120px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 160px;
}

.arm {
    width: 80px;
    height: 12px;
    background: rgba(255,255,255,0.9);
    border-radius: 6px;
    animation: wave 4s ease-in-out infinite;
}

.arm.left {
    animation-delay: 0.3s;
}

.arm.right {
    animation-delay: 0.5s;
}

.robot-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.particle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--primary-blue);
    border-radius: 50%;
    animation: particleFloat 8s linear infinite;
}

.particle:nth-child(1) {
    top: 20px;
    left: 30px;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    top: 60px;
    right: 40px;
    animation-delay: 2s;
}

.particle:nth-child(3) {
    bottom: 80px;
    left: 50px;
    animation-delay: 4s;
}

/* 动画定义 */
@keyframes blink {
    0%, 90%, 100% { height: 20px; }
    95% { height: 2px; }
}

@keyframes talk {
    0%, 100% { width: 40px; }
    50% { width: 60px; }
}

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(10deg); }
}

@keyframes particleFloat {
    0% { transform: translateY(0) rotate(0deg); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100px) rotate(360deg); opacity: 0; }
}

/* 行业痛点与价值分析样式 */
.pain-points {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
}

.pain-points:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #e2e8f0, transparent);
}

.section-subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: #64748b;
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.industry-tabs {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    margin-bottom: 5rem;
}

.industry-tabs .tab-buttons {
    display: flex;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    padding: 0 2rem;
}

.industry-tabs .tab-btn {
    flex: 1;
    background: none;
    border: none;
    padding: 1.5rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    border-bottom: 3px solid transparent;
}

.industry-tabs .tab-btn.active {
    color: #2563eb;
    background: white;
    border-bottom-color: #2563eb;
}

.industry-tabs .tab-btn:hover:not(.active) {
    color: #2563eb;
    background: rgba(37, 99, 235, 0.05);
}

.pain-content {
    padding: 3rem;
}

.pain-section, .solution-section {
    margin-bottom: 3rem;
}

.pain-section h3, .solution-section h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #1e293b;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.pain-grid, .solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.pain-item, .solution-item {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid #ef4444;
    transition: all 0.3s ease;
}

.solution-item {
    border-left-color: #10b981;
}

.pain-item:hover, .solution-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.pain-icon, .solution-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    padding: 1rem;
    border-radius: 8px;
    background: rgba(239, 68, 68, 0.1);
}

.solution-icon {
    background: rgba(16, 185, 129, 0.1);
}

.pain-item h4, .solution-item h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.pain-item p, .solution-item p {
    color: #64748b;
    line-height: 1.6;
    font-size: 1rem;
}

/* AI商业价值总结 */
.value-summary {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    padding: 4rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.3);
}

.value-summary h3 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.value-item {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.value-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.value-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #ffffff, #e0e7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.value-item h4 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.value-item p {
    opacity: 0.9;
    font-size: 1rem;
    line-height: 1.6;
}

/* 行业痛点与价值分析样式 */
.pain-points {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
}

.pain-points:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #e2e8f0, transparent);
}

.section-subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: #64748b;
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.industry-tabs {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    margin-bottom: 5rem;
}

.industry-tabs .tab-buttons {
    display: flex;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    padding: 0 2rem;
}

.industry-tabs .tab-btn {
    flex: 1;
    background: none;
    border: none;
    padding: 1.5rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    border-bottom: 3px solid transparent;
}

.industry-tabs .tab-btn.active {
    color: #2563eb;
    background: white;
    border-bottom-color: #2563eb;
}

.industry-tabs .tab-btn:hover:not(.active) {
    color: #2563eb;
    background: rgba(37, 99, 235, 0.05);
}

.pain-content {
    padding: 3rem;
}

.pain-section, .solution-section {
    margin-bottom: 3rem;
}

.pain-section h3, .solution-section h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #1e293b;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.pain-grid, .solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.pain-item, .solution-item {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid #ef4444;
    transition: all 0.3s ease;
}

.solution-item {
    border-left-color: #10b981;
}

.pain-item:hover, .solution-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.pain-icon, .solution-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    padding: 1rem;
    border-radius: 8px;
    background: rgba(239, 68, 68, 0.1);
}

.solution-icon {
    background: rgba(16, 185, 129, 0.1);
}

.pain-item h4, .solution-item h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.pain-item p, .solution-item p {
    color: #64748b;
    line-height: 1.6;
    font-size: 1rem;
}

/* AI商业价值总结 */
.value-summary {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    padding: 4rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.3);
}

.value-summary h3 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.value-item {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.value-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.value-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #ffffff, #e0e7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.value-item h4 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.value-item p {
    opacity: 0.9;
    font-size: 1rem;
    line-height: 1.6;
}

/* 商业价值与行动号召样式 */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: white;
    position: relative;
}

.cta-section:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.cta-content h2 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #60a5fa, #3b82f6, #2563eb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-bottom: 5rem;
}

.benefit-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 3rem 2rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.benefit-item:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transition: left 0.6s ease;
}

.benefit-item:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(37, 99, 235, 0.3);
}

.benefit-item:hover:before {
    left: 100%;
}

.benefit-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    padding: 1rem;
    border-radius: 12px;
    background: rgba(37, 99, 235, 0.2);
}

.benefit-item h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #f8fafc;
}

.benefit-item p {
    opacity: 0.9;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.benefit-item ul {
    list-style: none;
    text-align: left;
}

.benefit-item li {
    padding: 0.5rem 0;
    opacity: 0.9;
    position: relative;
    padding-left: 2rem;
}

.benefit-item li:before {
    content: '✔️';
    position: absolute;
    left: 0;
    color: #10b981;
}

.urgent-message {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 3rem;
    margin-bottom: 3rem;
    border: 2px solid rgba(239, 68, 68, 0.3);
    position: relative;
}

.urgent-badge {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
}

.urgent-message h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #f8fafc;
}

.urgent-message p {
    opacity: 0.9;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-top: 2rem;
}

.timeline:before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #ef4444, #3b82f6, #10b981);
    border-radius: 2px;
}

.timeline-item {
    text-align: center;
    flex: 1;
    position: relative;
}

.timeline-date {
    background: #1e293b;
    border: 2px solid #3b82f6;
    color: #3b82f6;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    margin-bottom: 1rem;
    display: inline-block;
}

.timeline-content {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 2rem;
}

.timeline-content h5 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #f8fafc;
}

.timeline-content p {
    opacity: 0.8;
    font-size: 0.9rem;
}

.action-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.action-buttons .btn-primary {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.3);
}

.action-buttons .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(239, 68, 68, 0.4);
}

.action-buttons .btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 1rem 2.5rem;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.action-buttons .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.limited-offer {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.offer-badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: inline-block;
}

.limited-offer p {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0;
    color: white;
}

.highlight {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.2rem 0.8rem;
    border-radius: 6px;
    margin: 0 0.3rem;
}

/* 商业价值与行动号召样式 */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: white;
    position: relative;
}

.cta-section:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.cta-content h2 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #60a5fa, #3b82f6, #2563eb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-bottom: 5rem;
}

.benefit-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 3rem 2rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.benefit-item:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transition: left 0.6s ease;
}

.benefit-item:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(37, 99, 235, 0.3);
}

.benefit-item:hover:before {
    left: 100%;
}

.benefit-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    padding: 1rem;
    border-radius: 12px;
    background: rgba(37, 99, 235, 0.2);
}

.benefit-item h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #f8fafc;
}

.benefit-item p {
    opacity: 0.9;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.benefit-item ul {
    list-style: none;
    text-align: left;
}

.benefit-item li {
    padding: 0.5rem 0;
    opacity: 0.9;
    position: relative;
    padding-left: 2rem;
}

.benefit-item li:before {
    content: '✔️';
    position: absolute;
    left: 0;
    color: #10b981;
}

.urgent-message {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 3rem;
    margin-bottom: 3rem;
    border: 2px solid rgba(239, 68, 68, 0.3);
    position: relative;
}

.urgent-badge {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
}

.urgent-message h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #f8fafc;
}

.urgent-message p {
    opacity: 0.9;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-top: 2rem;
}

.timeline:before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #ef4444, #3b82f6, #10b981);
    border-radius: 2px;
}

.timeline-item {
    text-align: center;
    flex: 1;
    position: relative;
}

.timeline-date {
    background: #1e293b;
    border: 2px solid #3b82f6;
    color: #3b82f6;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    margin-bottom: 1rem;
    display: inline-block;
}

.timeline-content {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 2rem;
}

.timeline-content h5 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #f8fafc;
}

.timeline-content p {
    opacity: 0.8;
    font-size: 0.9rem;
}

.action-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.action-buttons .btn-primary {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.3);
}

.action-buttons .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(239, 68, 68, 0.4);
}

.action-buttons .btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 1rem 2.5rem;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.action-buttons .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.limited-offer {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.offer-badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: inline-block;
}

.limited-offer p {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0;
    color: white;
}

.highlight {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.2rem 0.8rem;
    border-radius: 6px;
    margin: 0 0.3rem;
}

/* 产品服务样式 */
.products {
    padding: 120px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
}

.products:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #e2e8f0, transparent);
}

.section-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 4rem;
    color: #1e293b;
    position: relative;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #2563eb, #3b82f6);
    border-radius: 2px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2.5rem;
}

.product-card {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(226, 232, 240, 0.6);
    position: relative;
    overflow: hidden;
}

.product-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.03), transparent);
    transition: left 0.6s ease;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    border-color: rgba(37, 99, 235, 0.2);
}

.product-card:hover:before {
    left: 100%;
}

.product-icon {
    font-size: 4rem;
    margin-bottom: 2rem;
    display: inline-block;
    padding: 1rem;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.1));
    animation: pulse 2s ease-in-out infinite;
}

.product-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1e293b;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-card p {
    color: #64748b;
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.7;
}

.product-card ul {
    list-style: none;
}

.product-card li {
    padding: 0.75rem 0;
    color: #475569;
    position: relative;
    padding-left: 2rem;
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.product-card li:hover {
    transform: translateX(5px);
}

.product-card li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.product-card li:hover:before {
    transform: scale(1.2);
}

/* 行业解决方案样式 */
.solutions {
    padding: 60px 0;
}

.solutions-tabs {
    max-width: 900px;
    margin: 0 auto;
}

.tab-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    background: #f1f5f9;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.tab-btn.active {
    background: #2563eb;
    color: white;
}

.tab-btn:hover:not(.active) {
    background: #e2e8f0;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.solution-text h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.solution-text p {
    color: #64748b;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.solution-text ul {
    list-style: none;
}

.solution-text li {
    padding: 0.5rem 0;
    color: #475569;
    position: relative;
    padding-left: 1.5rem;
}

.solution-text li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #2563eb;
    font-weight: bold;
}

.solution-illustration {
    font-size: 8rem;
    text-align: center;
    opacity: 0.8;
}

/* 成功案例样式 */
.cases {
    padding: 100px 0;
    background: #f8fafc;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.case-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.case-card:hover {
    transform: translateY(-5px);
}

.case-logo {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.case-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.case-card p {
    color: #64748b;
    margin-bottom: 1rem;
    font-style: italic;
}

.case-tag {
    background: #dbeafe;
    color: #2563eb;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* 联系我们样式 */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-text p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
}

/* 企业微信二维码区域样式 */
.wechat-qr-section {
    display: flex;
    justify-content: flex-end;
    align-items: flex-start;
}

.qr-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    max-width: 300px;
    text-align: center;
    transition: all 0.3s ease;
}

.qr-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.3);
}

.qr-instructions {
    margin-bottom: 1.5rem;
}

.qr-instructions p {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.qr-code {
    margin: 1.5rem 0;
    display: flex;
    justify-content: center;
}

.qr-code img {
    max-width: 200px;
    max-height: 200px;
    width: 100%;
    height: auto;
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.qr-features {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1.5rem;
}

.qr-features .feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.9;
}

.qr-features .feature span:first-child {
    font-size: 1.2rem;
}

.qr-features .feature span:last-child {
    font-size: 0.8rem;
    font-weight: 500;
}

/* 直接联系方式样式 */
.direct-contact {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.contact-option {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.contact-option:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.3);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    padding: 1rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.2);
}

.contact-details h4 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #f8fafc;
}

.contact-details p {
    opacity: 0.9;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.contact-btn {
    display: inline-block;
    background: rgba(255, 255, 255, 0.9);
    color: #2563eb;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.contact-btn:hover {
    background: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.qr-code {
    margin-top: 1rem;
}

.qr-placeholder {
    background: rgba(255, 255, 255, 0.1);
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
}

.qr-placeholder span {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.qr-placeholder small {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* 即时联系方式样式 */
.instant-contact {
    background: rgba(255, 255, 255, 0.1);
    padding: 3rem 2rem;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    height: fit-content;
}

.instant-contact h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #f8fafc;
    text-align: center;
}

.urgency-text {
    text-align: center;
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    color: #ffd700;
    font-weight: 600;
}

.contact-methods {
    display: grid;
    gap: 2rem;
    margin-bottom: 2rem;
}

.contact-method {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.contact-method:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.method-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

.method-info h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #f8fafc;
    text-align: center;
}

.method-detail {
    text-align: center;
    opacity: 0.9;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.method-btn {
    display: block;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    text-align: center;
    padding: 10px 0;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.method-btn:hover {
    background: linear-gradient(135deg, #059669, #047857);
    transform: translateY(-2px);
}

.qr-display {
    margin-top: 1rem;
}

.qr-box {
    background: rgba(255, 255, 255, 0.1);
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
}

.qr-scan {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 600;
}

.contact-urgency {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    margin-top: 2rem;
}

.urgency-badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: inline-block;
}

.contact-urgency p {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    color: white;
}

.highlight {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.2rem 0.8rem;
    border-radius: 4px;
    margin: 0 0.2rem;
}

/* 页脚样式 */
.footer {
    background: #1e293b;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #f8fafc;
}

.footer-section p,
.footer-section li {
    color: #94a3b8;
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    color: #94a3b8;
}

/* 产品服务样式 */
.products {
    padding: 120px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
}

.products:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #e2e8f0, transparent);
}

.section-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #1e293b, #475569);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: #64748b;
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.product-card {
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid #f1f5f9;
    height: fit-content;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    border-color: #e0e7ff;
}

.product-card.featured {
    border: 2px solid #3b82f6;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.product-card.featured:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 8px 8px 0 0;
}

.product-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    text-align: center;
    display: block;
}

.product-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
    text-align: center;
}

.product-card p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 2rem;
    text-align: center;
    font-size: 1.1rem;
}

.product-card ul {
    list-style: none;
    margin-bottom: 2rem;
}

.product-card li {
    position: relative;
    padding: 0.8rem 0;
    padding-left: 2rem;
    color: #475569;
    line-height: 1.5;
    border-bottom: 1px solid #f1f5f9;
}

.product-card li:before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0.8rem;
    width: 1.5rem;
    height: 1.5rem;
    background: #10b981;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
}

.product-card li:last-child {
    border-bottom: none;
}

.product-tag {
    display: inline-block;
    background: #e0e7ff;
    color: #3730a3;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
    z-index: 1;
}

.products-footer {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border-radius: 16px;
    border: 1px solid #e2e8f0;
}

.highlight-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.tech-stack {
    background: rgba(37, 99, 235, 0.1);
    padding: 1rem 2rem;
    border-radius: 8px;
    display: inline-block;
}

.tech-stack span {
    color: #2563eb;
    font-weight: 600;
    font-size: 1rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-stats {
        justify-content: center;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .solution-content {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .tab-buttons {
        flex-direction: column;
        align-items: center;
    }

    /* 移动端产品样式优化 */
    .products {
        padding: 80px 0;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .section-subtitle {
        font-size: 1.1rem;
        margin-bottom: 3rem;
    }

    .product-card {
        padding: 2rem;
        margin: 0.5rem;
    }

    .product-card h3 {
        font-size: 1.5rem;
    }

    .product-icon {
        font-size: 3rem;
    }

    .products-footer {
        padding: 2rem 1rem;
        margin: 2rem 0.5rem 0;
    }

    .highlight-text {
        font-size: 1.1rem;
    }

    /* 移动端联系方式优化 */
    .direct-contact {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .contact-option {
        padding: 1.5rem;
    }

    .contact-icon {
        font-size: 2.5rem;
        padding: 0.8rem;
    }

    .contact-details h4 {
        font-size: 1.2rem;
    }
}

/* 轮播图样式 */
.hero-slider {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all 0.8s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.slider-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 10;
}

.slider-btn {
    background: rgba(255, 255, 255, 0.3);
    border: none;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.slider-btn:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

.slider-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: white;
    transform: scale(1.2);
}

/* 知识付费系统展示样式 */
.knowledge-platform {
    position: relative;
    width: 280px;
    height: 380px;
    animation: float 6s ease-in-out infinite;
}

.platform-screen {
    position: absolute;
    top: 50px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 280px;
    background: rgba(255,255,255,0.95);
    border-radius: 12px;
    border: 3px solid rgba(102, 126, 234, 0.8);
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.2);
    padding: 1rem;
}

.course-item {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.1));
    border-radius: 8px;
    padding: 0.5rem;
    margin: 0.5rem 0;
    text-align: center;
    font-size: 0.8rem;
    color: #2563eb;
    font-weight: 600;
}

.platform-stats {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
}

.stat-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.stat-dot:nth-child(2) {
    animation-delay: 0.5s;
}

.stat-dot:nth-child(3) {
    animation-delay: 1s;
}

/* 产品页面通用样式 */
.product-hero {
    padding: 120px 0 80px;
    background: var(--primary-gradient);
    color: white;
    position: relative;
    overflow: hidden;
}

.product-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.product-hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.product-icon-large {
    font-size: 6rem;
    margin-bottom: 2rem;
    display: block;
    animation: float 6s ease-in-out infinite;
}

.product-hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff, #f0f4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-hero-content h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.product-hero-content p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.8;
    line-height: 1.6;
}

.product-actions {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.product-hero-image {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
    position: relative;
    z-index: 2;
}

.product-features {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.feature-item {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(226, 232, 240, 0.6);
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    padding: 1rem;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.1));
}

.feature-item h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
}

.feature-item p {
    color: #64748b;
    line-height: 1.6;
    font-size: 1rem;
}

/* 产品详情页特殊样式 */
.product-showcase {
    position: relative;
    width: 300px;
    height: 400px;
    animation: float 6s ease-in-out infinite;
}

.ai-showcase, .education-showcase, .supply-showcase, .mall-showcase, .marketing-showcase {
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.95);
    border-radius: 16px;
    border: 3px solid rgba(102, 126, 234, 0.8);
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.conversation-bubble {
    width: 100%;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 12px;
    padding: 1rem;
    margin-top: 1rem;
}

.message {
    background: white;
    border-radius: 8px;
    padding: 0.5rem;
    margin: 0.5rem 0;
    font-size: 0.8rem;
}

.message.ai {
    background: #e0e7ff;
    color: #2563eb;
    text-align: left;
}

.message.user {
    background: #f0f9ff;
    color: #1e293b;
    text-align: right;
}

/* 业务流程样式 */
.business-flow, .workflow-diagram {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 4rem 0;
    flex-wrap: wrap;
    gap: 2rem;
}

.flow-step, .workflow-step {
    flex: 1;
    min-width: 200px;
    text-align: center;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    position: relative;
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-blue);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1rem;
}

.step-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.flow-arrow, .workflow-arrow {
    font-size: 2rem;
    color: var(--primary-blue);
    font-weight: bold;
}

/* 联系CTA样式 */
.contact-cta {
    padding: 100px 0;
    background: var(--primary-gradient);
    color: white;
    text-align: center;
}

.contact-cta h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-cta p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.contact-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-buttons .btn-primary {
    background: white;
    color: var(--primary-blue);
    text-decoration: none;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.contact-buttons .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

.contact-buttons .btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    text-decoration: none;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.contact-buttons .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* 产品行动按钮样式 */
.product-actions .btn-link {
    background: var(--primary-gradient);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.product-actions .btn-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

    .qr-placeholder {
        padding: 1.5rem;
    }

    .instant-contact {
        padding: 2rem 1rem;
    }

    .instant-contact h3 {
        font-size: 1.6rem;
    }

    .contact-methods {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .contact-method {
        padding: 1.2rem;
    }

    .method-icon {
        font-size: 2rem;
    }

    .method-info h4 {
        font-size: 1.1rem;
    }

    .qr-box {
        padding: 1rem;
    }

    .contact-urgency {
        padding: 1.2rem;
    }

    .contact-urgency p {
        font-size: 1rem;
    }

    .urgency-text {
        font-size: 1rem;
    }

    .contact-text h2 {
        font-size: 2rem;
    }

    .contact-text p {
        font-size: 1.1rem;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.fade-in-left {
    animation: fadeInLeft 0.6s ease-out;
}

.bounce-in {
    animation: bounceIn 0.6s ease-out;
}

/* 悬停效果 */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* 加载动画 */
.loading {
    position: relative;
    overflow: hidden;
}

.loading:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* 通知样式 */
.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    background: #10b981;
    color: white;
    padding: 15px 20px;
    border-radius: 6px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideInRight 0.3s ease-out;
}

.notification.error {
    background: #ef4444;
}

.notification.info {
    background: #3b82f6;
}

.notification button {
    background: none;
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 滚动进度条 */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, #2563eb, #3b82f6);
    z-index: 1001;
    transition: width 0.1s ease;
}

/* 返回到顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(37, 99, 235, 0.4);
}

/* 联系我们样式 */
.contact {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.contact:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.contact-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: 500px;
}

.contact-text {
    max-width: 100%;
}

.contact-text h2 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #60a5fa, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-text > p {
    font-size: 1.3rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    color: #cbd5e1;
}

.contact-info {
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.contact-item span:first-child {
    font-size: 2rem;
}

.direct-contact {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-option {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.contact-option:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(10px);
}

.contact-icon {
    font-size: 3rem;
    background: linear-gradient(135deg, #10b981, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-details h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: white;
}

.contact-details p {
    color: #cbd5e1;
    font-size: 1rem;
    margin: 0;
}

/* 右侧企业微信二维码区域样式 */
.wechat-qr-section {
    display: flex;
    justify-content: center;
    align-items: center;
}

.qr-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    padding: 2.5rem;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    max-width: 320px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.qr-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, #10b981, #059669);
}

.qr-header {
    margin-bottom: 2rem;
}

.qr-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.qr-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    margin: 0;
}

.qr-placeholder {
    margin-bottom: 2rem;
}

.qr-code {
    width: 200px;
    height: 200px;
    background: white;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.qr-dots {
    width: 120px;
    height: 120px;
    background: 
        radial-gradient(circle at 30px 30px, #1e293b 8px, transparent 9px),
        radial-gradient(circle at 90px 30px, #1e293b 8px, transparent 9px),
        radial-gradient(circle at 150px 30px, #1e293b 8px, transparent 9px),
        radial-gradient(circle at 30px 90px, #1e293b 8px, transparent 9px),
        radial-gradient(circle at 90px 90px, #1e293b 8px, transparent 9px),
        radial-gradient(circle at 150px 90px, #1e293b 8px, transparent 9px),
        radial-gradient(circle at 30px 150px, #1e293b 8px, transparent 9px),
        radial-gradient(circle at 90px 150px, #1e293b 8px, transparent 9px),
        radial-gradient(circle at 150px 150px, #1e293b 8px, transparent 9px);
}

.qr-text {
    margin-top: 1rem;
    color: #1e293b;
    font-weight: 600;
    font-size: 1rem;
}

.qr-instructions {
    margin-bottom: 2rem;
}

.qr-instructions p {
    color: #cbd5e1;
    font-size: 1rem;
    margin: 0.3rem 0;
}

.qr-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 0.6rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.feature:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.feature span:first-child {
    font-size: 1.5rem;
}

.feature span:last-child {
    font-size: 0.75rem;
    color: #cbd5e1;
    font-weight: 500;
    white-space: nowrap;
    padding: 0 0.2rem;
}

/* 联系我们响应式设计 */
@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .contact-text h2 {
        font-size: 2.5rem;
    }
    
    .contact-text > p {
        font-size: 1.1rem;
    }
    
    .contact-option {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-icon {
        font-size: 2.5rem;
    }
    
    .qr-card {
        max-width: 280px;
        padding: 2rem;
    }
    
    .qr-code {
        width: 180px;
        height: 180px;
    }
    
    .qr-features {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }
    
    .feature {
        flex-direction: row;
        justify-content: center;
    }
}

/* 行业解决方案样式修复 */
.solutions {
    padding: 60px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
}

.solutions:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #e2e8f0, transparent);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.solution-card {
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid #f1f5f9;
    height: fit-content;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    border-color: #e0e7ff;
}

.solution-card.featured {
    border: 2px solid #3b82f6;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.solution-card.featured:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 16px 16px 0 0;
}

.solution-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    text-align: center;
    display: block;
}

.solution-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
    text-align: center;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    white-space: nowrap;
    padding: 0 0.5rem;
}

.solution-card p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 2rem;
    text-align: center;
    font-size: 1.1rem;
}

.solution-features {
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: #f1f5f9;
    transform: translateX(5px);
}

.feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.feature-content p {
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
    text-align: left;
}

.solution-tag {
    display: inline-block;
    background: #e0e7ff;
    color: #3730a3;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 1rem;
    text-align: center;
    width: 100%;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .solutions {
        padding: 40px 0;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-top: 1rem;
    }
    
    .solution-card {
        padding: 2rem;
        margin: 0.5rem;
    }
    
    .solution-card h3 {
        font-size: 1.5rem;
    }
    
    .solution-icon {
        font-size: 3rem;
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
    }
    
    .feature-content p {
        text-align: center;
    }
}

/* 面包屑导航样式 */
.breadcrumb {
    background: #f8fafc;
    padding: 1rem 0;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.9rem;
}

.breadcrumb .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.breadcrumb ol {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.breadcrumb li {
    display: flex;
    align-items: center;
}

.breadcrumb li:not(:last-child):after {
    content: '›';
    margin: 0 0.75rem;
    color: #64748b;
    font-size: 1.1rem;
}

.breadcrumb a {
    color: #2563eb;
    text-decoration: none;
    transition: color 0.3s ease;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.breadcrumb a:hover {
    color: #1d4ed8;
    background: rgba(37, 99, 235, 0.1);
}

.breadcrumb a:visited {
    color: #7c3aed;
}

.breadcrumb [aria-current="page"] {
    color: #475569;
    font-weight: 500;
}

/* 响应式面包屑导航 */
@media (max-width: 768px) {
    .breadcrumb {
        padding: 0.8rem 0;
        font-size: 0.85rem;
    }
    
    .breadcrumb ol {
        flex-wrap: wrap;
    }
    
    .breadcrumb li:not(:last-child):after {
        margin: 0 0.5rem;
    }
}

/* 联系我们样式 */
.contact {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.contact:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.contact-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: 500px;
}

.contact-text {
    max-width: 100%;
}

.contact-text h2 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #60a5fa, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-text > p {
    font-size: 1.3rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    color: #cbd5e1;
}

.contact-info {
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.contact-item span:first-child {
    font-size: 2rem;
}

.direct-contact {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-option {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.contact-option:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(10px);
}

.contact-icon {
    font-size: 3rem;
    background: linear-gradient(135deg, #10b981, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-details h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: white;
}

.contact-details p {
    color: #cbd5e1;
    font-size: 1rem;
    margin: 0;
}

/* 右侧企业微信二维码区域样式 */
.wechat-qr-section {
    display: flex;
    justify-content: center;
    align-items: center;
}

.qr-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    padding: 2.5rem;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    max-width: 320px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.qr-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, #10b981, #059669);
}

.qr-header {
    margin-bottom: 2rem;
}

.qr-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.qr-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    margin: 0;
}

.qr-placeholder {
    margin-bottom: 2rem;
}

.qr-code {
    width: 200px;
    height: 200px;
    background: white;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.qr-dots {
    width: 120px;
    height: 120px;
    background: 
        radial-gradient(circle at 30px 30px, #1e293b 8px, transparent 9px),
        radial-gradient(circle at 90px 30px, #1e293b 8px, transparent 9px),
        radial-gradient(circle at 150px 30px, #1e293b 8px, transparent 9px),
        radial-gradient(circle at 30px 90px, #1e293b 8px, transparent 9px),
        radial-gradient(circle at 90px 90px, #1e293b 8px, transparent 9px),
        radial-gradient(circle at 150px 90px, #1e293b 8px, transparent 9px),
        radial-gradient(circle at 30px 150px, #1e293b 8px, transparent 9px),
        radial-gradient(circle at 90px 150px, #1e293b 8px, transparent 9px),
        radial-gradient(circle at 150px 150px, #1e293b 8px, transparent 9px);
}

.qr-text {
    margin-top: 1rem;
    color: #1e293b;
    font-weight: 600;
    font-size: 1rem;
}

.qr-instructions {
    margin-bottom: 2rem;
}

.qr-instructions p {
    color: #cbd5e1;
    font-size: 1rem;
    margin: 0.3rem 0;
}

.qr-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 0.6rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.feature:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.feature span:first-child {
    font-size: 1.5rem;
}

.feature span:last-child {
    font-size: 0.75rem;
    color: #cbd5e1;
    font-weight: 500;
    white-space: nowrap;
    padding: 0 0.2rem;
}

/* 联系我们响应式设计 */
@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .contact-text h2 {
        font-size: 2.5rem;
    }
    
    .contact-text > p {
        font-size: 1.1rem;
    }
    
    .contact-option {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-icon {
        font-size: 2.5rem;
    }
    
    .qr-card {
        max-width: 280px;
        padding: 2rem;
    }
    
    .qr-code {
        width: 180px;
        height: 180px;
    }
    
    .qr-features {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }
    
    .feature {
        flex-direction: row;
        justify-content: center;
    }
}

/* 行业解决方案样式修复 */
.solutions {
    padding: 60px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
}

.solutions:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #e2e8f0, transparent);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.solution-card {
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid #f1f5f9;
    height: fit-content;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    border-color: #e0e7ff;
}

.solution-card.featured {
    border: 2px solid #3b82f6;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.solution-card.featured:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 16px 16px 0 0;
}

.solution-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    text-align: center;
    display: block;
}

.solution-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
    text-align: center;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    white-space: nowrap;
    padding: 0 0.5rem;
}

.solution-card p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 2rem;
    text-align: center;
    font-size: 1.1rem;
}

.solution-features {
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: #f1f5f9;
    transform: translateX(5px);
}

.feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.feature-content p {
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
    text-align: left;
}

.solution-tag {
    display: inline-block;
    background: #e0e7ff;
    color: #3730a3;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 1rem;
    text-align: center;
    width: 100%;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .solutions {
        padding: 40px 0;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-top: 1rem;
    }
    
    .solution-card {
        padding: 2rem;
        margin: 0.5rem;
    }
    
    .solution-card h3 {
        font-size: 1.5rem;
    }
    
    .solution-icon {
        font-size: 3rem;
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
    }
    
    .feature-content p {
        text-align: center;
    }
}

/* 面包屑导航样式 */
.breadcrumb {
    background: #f8fafc;
    padding: 1rem 0;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.9rem;
}

.breadcrumb .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.breadcrumb ol {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.breadcrumb li {
    display: flex;
    align-items: center;
}

.breadcrumb li:not(:last-child):after {
    content: '›';
    margin: 0 0.75rem;
    color: #64748b;
    font-size: 1.1rem;
}

.breadcrumb a {
    color: #2563eb;
    text-decoration: none;
    transition: color 0.3s ease;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.breadcrumb a:hover {
    color: #1d4ed8;
    background: rgba(37, 99, 235, 0.1);
}

.breadcrumb a:visited {
    color: #7c3aed;
}

.breadcrumb [aria-current="page"] {
    color: #475569;
    font-weight: 500;
}

/* 响应式面包屑导航 */
@media (max-width: 768px) {
    .breadcrumb {
        padding: 0.8rem 0;
        font-size: 0.85rem;
    }
    
    .breadcrumb ol {
        flex-wrap: wrap;
    }
    
    .breadcrumb li:not(:last-child):after {
        margin: 0 0.5rem;
    }
}